Finding the Third Proportional to 29,485.69 and 63,666

Step by Step Solution

1. Step 1: Write the proportion equation
   29,485.69 : 63,666 = 63,666 : x
2. Step 2: Convert to fraction form
   29,485.69/63,666 = 63,666/x
3. Step 3: Cross multiply
   29,485.69x = 63,666 × 63,666
4. Step 4: Simplify right side
   29,485.69x = 4,053,359,556
5. Step 5: Solve for x
   x = 4,053,359,556/29,485.69
6. Step 6: Final answer
   x = 137,468.71